Lessons Learned and News in January and February 2020
This is what I learned in January and February 2020: As I wrote in the last lessons learned article, I did not work for some months and re-entered the so...
Lessons Learned and News in late 2019
Because of unforeseen “events in life”, this monthly lessons-learned article is several months late. Due to the circumstances, I did not work nearly as much ...
poll.digitalcourage.de
There are several tools to solve the “Let’s schedule an event” and “Let’s find a common result via a poll” - problems. The most famous is doodle.com. However...
Reloading Images in Angular-Templates (img)
Working on IT Hub, I recently had to find a way to reload images in this Angular Single Page Application. The new functionality I added allows an administrat...
Multiple "waiting for Changelog Lock" = Liquibase locked your Database
Some time ago, an application of mine that is deployed in the Pivotal Cloudfoundry began throwing errors and crashed: 2019-09-29T06:42:54.76+0200 [APP/PROC/...
Spring Test Slices
In this article, I want to share what I learned about testing a Spring application without loading it completely. This can be done by using @DataJpaTest, @We...
Using InnerHTML in Angular to format Strings
In preparation for the upcoming IT Hub Brunswick Barcamp, I updated the conference page with ideas for talks and speakers. To display the speakers, we are us...
Generating TLS Certificates using Certbot manual Mode and DNS Challenge and Setup with all-inkl
As the main developer of IT Hub Brunswick, I created a TLS certificate for the domains www.ithubbs.de and ithubbs.de. In this article, I want to describe thi...
Lessons Learned and News in July 2019
This is what I learned in June and July 2019: Visiting the HackTalk Braunschweig, I learned about Container-Volume Backups with Restic. Here’s an overvie...